How much is $100 in 1981 worth today?

$100 in 1981 is worth $368.51 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 1981?

You would need $368.51 to buy what $100 bought in 1981. That is 3.69 times as much.

Kept as cash, $100 from 1981 buys only what $27.14 of 1981 money bought. It has lost 73% of its buying power.

Prices rose 10.3% in 1981. Since then the average has been 2.93% a year.

$100 in 1981 has the same buying power as

$368.51 in August 2026

That is 269% more, an average inflation rate of 2.93% a year over 45 years.

Put the other way, $100 today buys what $27.14 bought in 1981. Cash kept under the mattress since 1981 has lost 73% of its value.

$100 from 1981 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 1981 costs today:

Amount ($) From year From month To year To month

$100.00 in 1981 has the same buying power as

$368.51 in August 2026

Prices rose 268.5% in total, an average of 2.93% a year.

How much is $100 in 1981 worth today?: $100 in 1981 is worth $368.51 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 1981?: You would need $368.51 to buy what $100 bought in 1981. That is 3.69 times as much.
How much buying power has $100 lost since 1981?: Kept as cash, $100 from 1981 buys only what $27.14 of 1981 money bought. It has lost 73% of its buying power.
What was inflation in 1981?: Prices rose 10.3% in 1981. Since then the average has been 2.93% a year.